Phoenix Contact 1336527 This product features a temperature monitoring relay for motor windings with up to two PTCs, compliant with DIN 44081 and DIN 44082 standards, including short-circuit monitoring of the PTC thermistor circuit and dynamic line break detection on both channels. It also boasts a built-in 2-channel detection circuit. The device can be easily accessed and read using a smartphone app via NFC wireless communication, and it offers two PDT dry contact outputs, operating under a closed circuit principle with manual reset capabilities, along with optional screw connection and plug-in options.